Physicochemical Standardization of Siddha Herbal Drug Formulation - Vallarai Nei

Siddha system of medicine is a system blended with Tamil culture. Among the various system of Traditional Medicine, Siddha medical science is the oldest and excellent one. Siddha drugs belong to herbal, metal, mineral or herbomineral and animal origin. World over there is renaissance for herbal drugs. Herbs maintain a natural ability within the body even in times of disharmony and diseases. Systematic protocols for standardization of Vallarai Nei is not available, hence it was decided to evaluate the qualitative and quantitative analysis for Vallarai Nei scientifically to prevent its adulteration. The drug Vallarai Nei is in the consistency of semisolid with Dark greenish in colour with Non- free flowing property, bitter in taste. The analytical report was as below Specific Gravity -0.8564, Viscosity at 50oC (Pa s) - 97.79, Weight per ml - 0.5015, Acid Value mg KOH/g - 0.8976 and Peroxidase Value mEq/kg - 4.84. Results of the present investigation have clearly shows that the sample has no traces of heavy metals such as Mercury, Lead, Arsenic and Cadmium.